Charlieplexing-减针数 LED 显示屏多路复用

摘要：此应用程序说明讨论"Charlieplexing"——针数减少多重使用的MAX6950、MAX6951、MAX6954、MAX6955、MAX6958和MAX6959LED显示驱动程序的技术。Maxim>AppNotes>AUTOMOTIVEDISPLAYDRIVERSKeywords:charlie,charlieplex,charlieplexing,leddriver,displaydrivers,MAX6950,MAX6951,MAX6954,Feb10,2003MAX6955,MAX6958,MAX6959,LEDdriversAPPLICATIONNOTE1880Charlieplexing-ReducedPin-CountLEDDisplayMultiplexingAbstract:Thisapplicationnotediscusses"Charlieplexing"--apin-countreducingmultiplextechniqueusedbytheMAX6950,MAX6951,MAX6954,MAX6955,MAX6958,andMAX6959LEDdisplaydrivers.Thisapplicationnotediscusseshowto"Charlieplex"adisplaydrivercircuittoreducepin-count.ThisunusualmultiplextechniqueisusedbytheMAX6950,MAX6951,MAX6954,MAX6955,MAX6958,andMAX6959LEDdisplaydrivers.Charlieplexingreducesdriverpin-countbyusingsomepinsalternatelyascathodean